EP0290728A1 - Self-cleaning band drum - Google Patents

Self-cleaning band drum Download PDF

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Publication number
EP0290728A1
EP0290728A1 EP88103109A EP88103109A EP0290728A1 EP 0290728 A1 EP0290728 A1 EP 0290728A1 EP 88103109 A EP88103109 A EP 88103109A EP 88103109 A EP88103109 A EP 88103109A EP 0290728 A1 EP0290728 A1 EP 0290728A1
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EP
European Patent Office
Prior art keywords
drum
self
shaft
discharge device
cleaning belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP88103109A
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German (de)
French (fr)
Inventor
Reinhold Dipl.-Ing. Schneider (Fh)
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Iem Fordertechnik GmbH
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Iem Fordertechnik GmbH
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Publication date
Application filed by Iem Fordertechnik GmbH filed Critical Iem Fordertechnik GmbH
Publication of EP0290728A1 publication Critical patent/EP0290728A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G45/00—Lubricating, cleaning, or clearing devices
    • B65G45/10—Cleaning devices
    • B65G45/26—Cleaning devices for gathering residue after cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/02—Adaptations of individual rollers and supports therefor
    • B65G39/07—Other adaptations of sleeves
    • B65G39/073—Other adaptations of sleeves for cleaning belts

Definitions

  • the invention relates to a self-cleaning belt drum, in particular for tensioning drums of bucket elevators, in which a one-part or multi-part support element is arranged between a shaft and a drum casing.
  • a scraper plate is arranged directly on the drum in a self-cleaning belt-belt reversing roller for conveyor belts which has become known to date.
  • the fine material stripped from the drum is grasped from the underside of the upper belt and runs into a collecting box, from which it is transported by means of an additional transport screw which is displaced perpendicular to the direction of the conveyor belt is carried out.
  • This self-cleaning reversing belt webbing has, however, as in the rest of the other embodiments, both in manufacture, as well as in operation and maintenance - inevitably due to the great design effort - as very complex and therefore economically viable embodiments of self-cleaning drums or conveyor belts are sufficient this does not include the operational requirements, since the removal and / or removal of undesired medium or dirt is very incomplete.
  • the invention is therefore based on the object of designing a self-cleaning belt drum of the type mentioned in such a way that both the absorption of the medium and dirt which has gotten between the upper and lower belt and the forwarding or discharge of the received medium or dirt for self-cleaning of the drum and conveyor belt takes place continuously and largely independently of the nature of the conveying medium under inexpensive manufacturing and operating conditions.
  • a self-cleaning belt drum of the type mentioned that the drum jacket is provided with dirt passage openings and that between the drum jacket and the shaft a dirt discharge device tightly encompassing the shaft is arranged, which from the drum jacket at least in the direction of a drum end face to the shaft runs inclined.
  • the inventive design of the self-cleaning belt drum results in a very simple possibility of removing the conveying medium between the upper and lower belt from the conveyor belt and at the same time the conveying medium now located inside the tensioning or belt drum continuously to at least one end face of the tensioning or To pass on the tape drum and finally carry it out.
  • expensive additional devices such as, for example, screw conveyors with associated drive motors or the like, as well as technically very complex constructions can be dispensed with entirely the, since the invention is only geometrical relationships and already existing, for the operation of bucket elevators, belt conveyors or the like. makes use of basically required rotational energies.
  • the dirt discharge device is designed to be rotationally symmetrical, as a result of which the manufacture of the belt drum is substantially simplified overall.
  • this measure enables both a uniform forwarding and a uniform discharge of the conveying medium removed from the conveyor belt and taken up by the tensioning or belt drum, which ensures continuous and possibly highly automated operation during removal from the outside of the tensioning or The discharge of the collected drum is of great importance.
  • the dirt discharge device forms a discharge double cone in which the large base surfaces of the straight circular truncated cones, which are perpendicular to the shaft, essentially coincide with the drum center plane.
  • This special design of the dirt discharge device makes it possible to respond appropriately to changed discharge conditions when using such a self-cleaning belt drum. If, for example, a changed amount of the conveying medium results in an increased amount of conveying medium or dirt to be discharged from the tensioning or belt drum, so it is not absolutely necessary to reduce the speed of the entire bucket elevator or belt conveyor. Rather, the forwarding and discharge on two end faces of the tensioning drum means that the conveyed medium can be disposed of twice as quickly and thus constant operation. Furthermore, all the forces acting on the shaft of such a self-cleaning tape drum are evenly distributed, as a result of which the self-cleaning tape drum can be dimensioned smaller and consequently can be manufactured more cost-effectively.
  • the invention provides that the dirt discharge device between the drum shell and the shaft is designed as a support element.
  • the dirt discharge device is provided with radially extending slots which accommodate stiffening plates.
  • the stiffening plates in turn are welded both to the dirt discharge device and to support rings arranged on the drum end faces.
  • the drum shell is formed by rods arranged at a distance from one another.
  • This feature also serves to standardize the individual components that can be assembled into such a self-cleaning belt drum.
  • the self-cleaning belt drum shown in FIG. 1 consists of a shaft 1 to which a discharge double cone, which is tightly encompassing this shaft as a dirt discharge device 2, is fastened.
  • a drum jacket 3, on which the conveyor belt 4 rests and is guided at the same time, is in turn arranged on the dirt discharge device 2, which is additionally designed as a support element here.
  • stiffening plates 6 are received in radially extending slots equally spaced, which in turn are welded to the dirt discharge device 2 designed as a support element.
  • Support rings 9 are attached to the transverse edges 8 of the stiffening plates 6 in the region of the drum end faces 7, likewise by welding.
  • the drum jacket 3 which is provided with openings and slots 10, lies on the circumference 11 of the two support rings 9 and is welded to them in the same way.
  • the drum casing 3 consists of a covering of rods 12 arranged at the same distance from one another, it preferably being square or round rods or the like. acts.
  • Fig. 2 shows in cross section through a self-cleaning belt drum as a dirt discharge device 2, the discharge double cone, both of which are straight circular truncated cones 13 and 14 which are bent out of sheet metal and are offset in mirror image relative to one another.
  • the large base surfaces 15 and 16 perpendicular to the shaft essentially coincide with the drum center plane 17, while the small base surfaces 18 and 19 tightly enclose the shaft 1.
  • the conveying medium to be removed from the conveyor belt 4 passes through the dirt passage openings 10 into the interior 20 of the tensioning or belt drum and becomes in the direction of the arrows 21 and 22 via the surfaces of the straight truncated cones 13 and 14 inclined to the shaft Drum end faces 7 forwarded and finally discharged.
  • the dirt discharge device could consist of only one straight discharge truncated cone, the large base surface 15 of which is perpendicular to the shaft or 16 essentially coincides with the one drum end face 7, while the small base area 18 or 19, which tightly encompasses the shaft 1, essentially coincides with the other drum end face 7.
  • the dirt discharge device it is possible to carry out the dirt discharge on only one side of the belt drum and thus the conveyor belt system as a whole to local conditions or the like. adapt.

Abstract

Self-cleaning band drum, in particular for tensioning drums of bucket elevators, in which a single- or multi-part supporting element is arranged between a shaft (1) and a drum casing (3), the drum casing (3) being provided with dirt-passage openings (10) and a dirt-discharging apparatus (2) which encompasses the shaft (1) in a sealing manner being arranged between the drum casing (3) and the shaft (1), the said apparatus (2) running at an inclined angle relative to the shaft (1), from the drum casing (3) at least in the direction of an end face (7) of the drum. <IMAGE>

Description

Die Erfindung bezieht sich auf eine selbstreinigende Bandtrom­mel, insbesondere für Spanntrommeln von Becherwerken, bei der ein ein- oder mehrteiliges Stützelement zwischen einer Welle und einem Trommelmantel angeordnet ist.The invention relates to a self-cleaning belt drum, in particular for tensioning drums of bucket elevators, in which a one-part or multi-part support element is arranged between a shaft and a drum casing.

Ein besonderes Problem bei Becherwerken, Bandförderern od.dgl. ergibt sich aus der Tatsache heraus, daß das Fördermedium unerwünschterweise zwischen Ober- und Untergurt gerät, sondann vom Untergurt mitgeschleppt und auf die Trag- und/oder Umlauf­trommeln bzw. direkt auf die Spanntrommeln abgesetzt wird. Oftmals handelt es sich bei dem Fördermedium um klebende, bisweilen rasch aushärtende Materialien, so daß sich auf den Trommeln starke Beläge bilden, die zum Schräglaufen, gegebenen­falls sogar zur Zerstörung des Förderbandes führen. Besteht das Fördermedium dagegen aus körnigen, eventuell scharfkanti­gen Materialien, werden aufgrund des zwangsläufig zwischen der Bandtrommel und dem Förderband stattfindenden Abriebs am För­derband oft Verletzungen in Form kleiner Risse hervorgerufen, die ebenfalls zur Zerstörung des Förderbandes führen. Um sol­chen Problemen zu begegnen, ist bei einer bislang bekanntgewor­denen selbstreinigenden Gurtbandumkehrrolle für Fördergurte ein Abstreifblech direkt an der Trommel angeordnet. Das von der Trommel abgestreifte Feingut wird von der Unterseite des ablaufenden Obergurtes erfaßt und in einen Auffangkasten einge­bracht, aus dem es mittels einer zusätzlich vorgesehenen senk­recht zur Förderbandrichtung verlagerten Transportschnecke ausgetragen wird. Diese selbstreinigende Gurtbandumkehrrolle hat sich allerdings, wie im übrigen weitere Ausführungsformen auch, sowohl bei der Herstellung als auch in Betrieb und War­tung - zwangsläufig bedingt durch den großen konstruktiven Aufwand - als sehr aufwendig und somit aus Wirtschaftlichkeits­lich anzusehende Ausführungsformen von selbstreinigenden Trom­meln oder Förderbändern genügen im Gegensatz hierzu den ein­satzbedingten Erfordernissen nicht, da die Entfernung und/oder der Abtransport von unerwünschtem Fördermedium bzw. von Schmutz nur sehr unvollständig erfolgt.A particular problem with bucket elevators, belt conveyors or the like. arises from the fact that the conveying medium undesirably gets between the upper and lower chord, is then dragged along by the lower chord and is placed on the carrying and / or circulating drums or directly on the tensioning drums. Often, the conveying medium is adhesive, sometimes rapidly hardening materials, so that heavy deposits form on the drums, which lead to skewing, possibly even to the destruction of the conveyor belt. If, on the other hand, the conveying medium consists of granular, possibly sharp-edged materials, injuries in the form of small cracks, which also lead to the destruction of the conveyor belt, are often caused due to the inevitable wear on the conveyor belt between the belt drum and the conveyor belt. In order to counter such problems, a scraper plate is arranged directly on the drum in a self-cleaning belt-belt reversing roller for conveyor belts which has become known to date. The fine material stripped from the drum is grasped from the underside of the upper belt and runs into a collecting box, from which it is transported by means of an additional transport screw which is displaced perpendicular to the direction of the conveyor belt is carried out. This self-cleaning reversing belt webbing has, however, as in the rest of the other embodiments, both in manufacture, as well as in operation and maintenance - inevitably due to the great design effort - as very complex and therefore economically viable embodiments of self-cleaning drums or conveyor belts are sufficient this does not include the operational requirements, since the removal and / or removal of undesired medium or dirt is very incomplete.

Der Erfindung liegt daher die Aufgabe zugrunde, eine selbstrei­nigende Bandtrommel der eingangs genannten Art so auszugestal­ten, daß sowohl die Aufnahme von zwischen Ober- und Untergurt geratenem Fördermedium und Schmutz als auch die Weiterleitung bzw. der Austrag des aufgenommenen Fördermediums bzw. Schmut­zes zur Selbstreinigung von Trommel und Förderband unter ko­stengünstigen Herstellungs- und Betriebsbedingungen kontinuier­lich und weitgehend unabhängig von der Beschaffenheit des Fördermediums erfolgt.The invention is therefore based on the object of designing a self-cleaning belt drum of the type mentioned in such a way that both the absorption of the medium and dirt which has gotten between the upper and lower belt and the forwarding or discharge of the received medium or dirt for self-cleaning of the drum and conveyor belt takes place continuously and largely independently of the nature of the conveying medium under inexpensive manufacturing and operating conditions.

Zur Lösung dieser Aufgabe ist bei einer selbstreinigenden Bandtrommel der eingangs genannten Art vorgesehen, daß der Trommelmantel mit Schmutzdurchtrittsöffnungen versehen ist und daß zwischen dem Trommelmantel und der Welle eine die Welle dicht umfassende Schmutzaustragsvorrichtung angeordnet ist, die von dem Trommelmantel wenigstens in Richtung einer Trommel­stirnfläche zur Welle geneigt verläuft.To solve this problem, it is provided in a self-cleaning belt drum of the type mentioned that the drum jacket is provided with dirt passage openings and that between the drum jacket and the shaft a dirt discharge device tightly encompassing the shaft is arranged, which from the drum jacket at least in the direction of a drum end face to the shaft runs inclined.

Durch die erfindungsgemäße Ausgestaltung der selbstreinigenden Bandtrommel ergibt sich eine sehr einfache Möglichkeit, das zwischen Ober- und Untergurt geratene Fördermedium von Förder­band zu entfernen und gleichzeitig das sich nun im Inneren der Spann- bzw. Bandtrommel befindliche Fördermedium kontinuier­lich zu wenigstens einer Stirnseite der Spann- bzw. Bandtrom­mel hin weiterzuleiten und schließlich auszutragen. Hierbei kann gänzlich auf teuere Zusatzgeräte, wie beispielsweise Förderschnecken mit dazugehörigem Antriebsmotor od.dgl., sowie auf technisch sehr aufwendige Konstruktionen verzichtet wer­ den, da sich die Erfindung ausschließlich geometrische Verhält­nisse und bereits vorhandene, für den Betrieb von Becherwer­ken, Bandförderern od.dgl. grundsätzlich erforderliche Rota­tionenergien zunutze macht.The inventive design of the self-cleaning belt drum results in a very simple possibility of removing the conveying medium between the upper and lower belt from the conveyor belt and at the same time the conveying medium now located inside the tensioning or belt drum continuously to at least one end face of the tensioning or To pass on the tape drum and finally carry it out. In this case, expensive additional devices, such as, for example, screw conveyors with associated drive motors or the like, as well as technically very complex constructions can be dispensed with entirely the, since the invention is only geometrical relationships and already existing, for the operation of bucket elevators, belt conveyors or the like. makes use of basically required rotational energies.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, daß die Schmutzaustragsvorrichtung rotationssymmetrisch ausgebil­det ist, wodurch die Herstellung der Bandtrommel insgesamt wesentlich vereinfacht wird. Darüber hinaus wird durch diese Maßnahme eine sowohl gleichmäßige Weiterleitung als auch ein gleichmäßiger Austrag des von dem Förderband entfernten und von der Spann- bzw. Bandtrommel aufgenommenen Fördermediums ermöglicht, was für einen kontinuierlichen und möglicherweise stark automatisierten Betrieb beim Abtransport von dem außer­halb der Spann- bzw. Bandtrommel aufgefangenen Austrag von großer Bedeutung ist.In a further embodiment of the invention, it is provided that the dirt discharge device is designed to be rotationally symmetrical, as a result of which the manufacture of the belt drum is substantially simplified overall. In addition, this measure enables both a uniform forwarding and a uniform discharge of the conveying medium removed from the conveyor belt and taken up by the tensioning or belt drum, which ensures continuous and possibly highly automated operation during removal from the outside of the tensioning or The discharge of the collected drum is of great importance.

In diesem Zusammenhang ist es im Rahmen der Erfindung weiter­hin vorgesehen, daß die Schmutzaustragsvorrichtung einen Aus­tragsdoppelkegel bildet, bei dem die großen senkrecht zur Welle stehenden Grundflächen der spiegelbildlich gegeneinander versetzten geraden Kreiskegelstümpfe im wesentlichen mit der Trommelmittelebene zusammenfallen. Durch diese besondere Ausge­staltung der Schmutzaustragsvorrichtung ist es möglich, beim Einsatz einer solchen selbstreinigenden Bandtrommel auf verän­derte Ablaufbedingungen entsprechend reagieren zu können.Fällt beispielsweise aufgrund einer veränderten Beschaffenheit des Fördermediums eine erhöhte Menge von aus der Spann- bzw. Band­trommel auszutragenden Fördermediums oder Schmutz an, so ist es nicht unbedingt notwendig, die Geschwindigkeit des gesamten Becherwerkes oder Bandförderers herabzusetzen. Vielmehr ist durch die Weiterleitung und den Austrag auf zwei Stirnseiten der Spanntrommel eine doppelt so schnelle Entsorgung des För­dermediums und damit ein gleichbleibender Betrieb zu errei­chen. Des weiteren werden sämtliche auf die Welle einer derar­tigen selbstreinigenden Bandtrommel wirkenden Kräfte gleichmä­ßig verteilt, wodurch die selbstreinigende Bandtrommel kleiner dimensioniert und demzufolge kostengünstiger hergestellt wer­den kann.In this context, it is further provided in the context of the invention that the dirt discharge device forms a discharge double cone in which the large base surfaces of the straight circular truncated cones, which are perpendicular to the shaft, essentially coincide with the drum center plane. This special design of the dirt discharge device makes it possible to respond appropriately to changed discharge conditions when using such a self-cleaning belt drum. If, for example, a changed amount of the conveying medium results in an increased amount of conveying medium or dirt to be discharged from the tensioning or belt drum, so it is not absolutely necessary to reduce the speed of the entire bucket elevator or belt conveyor. Rather, the forwarding and discharge on two end faces of the tensioning drum means that the conveyed medium can be disposed of twice as quickly and thus constant operation. Furthermore, all the forces acting on the shaft of such a self-cleaning tape drum are evenly distributed, as a result of which the self-cleaning tape drum can be dimensioned smaller and consequently can be manufactured more cost-effectively.

In weiterer Ausgestaltung sieht die Erfindung vor, daß die Schmutzaustragsvorrichtung zwischen dem Trommelmantel und der Welle als Stützelement ausgebildet ist. Hierfür ist insbesonde­re vorgesehen, daß die Schmutzaustragsvorrichtung mit radial verlaufenden Schlitzen versehen ist, die Versteifungsbleche aufnehmen. Die Versteifungsbleche wiederum sind sowohl mit der Schmutzaustragsvorrichtung als auch mit an den Trommelstirnflä­chen angeordneten Stützringen verschweißt. Diese Maßnahmen garantieren insgesamt eine nochmalige Vereinfachung von Kon­struktion und Herstellung der selbstreinigenden Bandtrommel, da nur wenige, baukastenähnlich zusammensetzbare und hierdurch kostengünstig herstellbare Einzelteile notwendig sind. Gleich­zeitig wird mit der Ausbildung der Schmutzaustragsvorrichtung als eingentliches Stützelement das Gewicht der selbstreinigen­den Bandtrommel insgesamt verringert, was zu einer zusätzli­chen Vereinfachung bei der Montage, Wartung etc. führt.In a further embodiment, the invention provides that the dirt discharge device between the drum shell and the shaft is designed as a support element. For this purpose, it is provided in particular that the dirt discharge device is provided with radially extending slots which accommodate stiffening plates. The stiffening plates in turn are welded both to the dirt discharge device and to support rings arranged on the drum end faces. Overall, these measures guarantee a further simplification of the design and manufacture of the self-cleaning belt drum, since only a few individual parts which can be assembled in a modular manner and are therefore inexpensive to produce are necessary. At the same time, the weight of the self-cleaning belt drum is reduced overall with the formation of the dirt discharge device as an integral support element, which leads to an additional simplification in assembly, maintenance, etc.

Schließlich ist erfindungsgemäß noch vorgesehen, daß der Trom­melmantel durch in Abstand zueinander angeordnete Stäbe gebil­det ist. Dieses Merkmal dient ebenfalls der Normierung der zu einer derartigen selbstreinigenden Bandtrommel zusammenfügba­ren Einzelbauteile. Darüber hinaus besteht hierdurch die Mög­lichkeit, bereits bei der Herstellung dieser Spann- oder Band­trommel die Eingenschaften bzw. Beschaffenheit des Fördermedi­ums - durch Veränderung des Abstandes der zueinander benachbar­ten Stäbe - zu berücksichtigen und ohne Schwierigkeit den Belag der selbstreinigenden Bandtrommel an die jeweils entspre­chenden, einsatzbedingten Gegebenheiten anzupassen.Finally, it is also provided according to the invention that the drum shell is formed by rods arranged at a distance from one another. This feature also serves to standardize the individual components that can be assembled into such a self-cleaning belt drum. In addition, it is possible to take into account the properties or nature of the conveying medium - by changing the spacing of the adjacent bars - during the manufacture of this tensioning or belt drum, and without difficulty the coating of the self-cleaning belt drum to the relevant, application-related conditions adapt.

Weitere Merkmale, Vorteile und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung einiger bevor­zugter Ausführungsformen der Erfindung sowie anhand der Zeich­nung. Hierbei zeigen:

  • Fig. 1 eine Seitenansicht einer selbstreinigenden Bandtrommel und
  • Fig. 2 einen Schnitt durch eine selbstreinigende Bandtrommel gemäß Fig. 1 längs der Linie II-II mit teilweise aufgebrochener Schmutzaustragsvorrichtung.
Further features, advantages and details of the invention result from the following description of some preferred embodiments of the invention and from the drawing. Here show:
  • Fig. 1 is a side view of a self-cleaning tape drum and
  • Fig. 2 shows a section through a self-cleaning belt drum according to FIG. 1 along the line II-II with a partially broken dirt discharge device.

Die in Fig. 1 dargestellte selbstreinigende Bandtrommel beste­ht aus einer Welle 1, an der ein diese Welle dicht umfassender als Schmutzaustragsvorrichtung 2 vorgesehener Austragsdoppelke­gel befestigt ist. An der hier zusätzlich als Stützelement ausgebildeten Schmutzaustragsvorrichtung 2 ist ihrerseits ein Trommelmantel 3 angeordnet, auf dem das Förderband 4 aufliegt und gleichzeitig geführt wird. Bei diesem Ausführungsbeispiel sind in zueinander gleich beabstandeten radial verlaufenden Schlitzen 5 Versteifungsbleche 6 aufgenommen, die ihrerseits mi der als Stützelement ausgebildeten Schmutzaustragsvorrich­tung 2 verschweißt sind. An die im Bereich der Trommelstirnflä­chen 7 befindlichen Querkanten 8 der Versteifungsbleche 6 sind Stützringe 9, ebenfalls durch Verschweißen, angebracht. Der mit Öffnungen und Schlitzen 10 versehene Trommelmantel 3 liegt jeweils auf dem Umfang 11 der beiden Stützringe 9 auf und ist mit diesen gleichermaßen verschweißt. Hier besteht der Trommel­mantel 3 aus einem Belag von in gleichem Abstand zueinander angeordneten Stäben 12, wobei es sich vorzugsweise um Vier­kant- bzw. Rundstäbe od.dgl. handelt.The self-cleaning belt drum shown in FIG. 1 consists of a shaft 1 to which a discharge double cone, which is tightly encompassing this shaft as a dirt discharge device 2, is fastened. A drum jacket 3, on which the conveyor belt 4 rests and is guided at the same time, is in turn arranged on the dirt discharge device 2, which is additionally designed as a support element here. In this embodiment 5 stiffening plates 6 are received in radially extending slots equally spaced, which in turn are welded to the dirt discharge device 2 designed as a support element. Support rings 9 are attached to the transverse edges 8 of the stiffening plates 6 in the region of the drum end faces 7, likewise by welding. The drum jacket 3, which is provided with openings and slots 10, lies on the circumference 11 of the two support rings 9 and is welded to them in the same way. Here, the drum casing 3 consists of a covering of rods 12 arranged at the same distance from one another, it preferably being square or round rods or the like. acts.

Fig. 2 zeigt im Querschnitt durch eine selbstreinigende Band­trommel als Schmutzaustragsvorrichtung 2 den Austragsdoppelke­gel, dessen beide aus Belchen gebogene gerade Kreiskegelstümp­fe 13 und 14 spiegelbildlich gegeneinander versetzt sind. Dabei fallen die großen senkrecht zur Welle stehenden Grundflä­chen 15 und 16 im wesentlichen mit der Trommelmittelebene 17 zusammen, während die kleinen Grundflächen 18 und 19 die Welle 1 dicht umschließen. Durch diese Anordnung der Schmutzaustrags­vorrichtung gelangt das von dem Förderband 4 zu entfernende Fördermedium durch die Schmutzdurchtrittsöffnungen 10 in den Innenraum 20 der Spann- bzw. Bandtrommel und wird über die zur Welle geneigt verlaufenden Oberflächen der geraden Kegelstümp­fe 13 und 14 in Pfeilrichtung 21 und 22 zu den Trommelstirnflä­chen 7 hin weiterbefördert und schließlich ausgetragen.Fig. 2 shows in cross section through a self-cleaning belt drum as a dirt discharge device 2, the discharge double cone, both of which are straight circular truncated cones 13 and 14 which are bent out of sheet metal and are offset in mirror image relative to one another. The large base surfaces 15 and 16 perpendicular to the shaft essentially coincide with the drum center plane 17, while the small base surfaces 18 and 19 tightly enclose the shaft 1. Through this arrangement of the dirt discharge device, the conveying medium to be removed from the conveyor belt 4 passes through the dirt passage openings 10 into the interior 20 of the tensioning or belt drum and becomes in the direction of the arrows 21 and 22 via the surfaces of the straight truncated cones 13 and 14 inclined to the shaft Drum end faces 7 forwarded and finally discharged.

Die Erfindung ist nicht nur auf das aufgeführte Ausführungsbei­spiel beschränkt. Insbesondere könnte die Schmutzaustragsvor­richtung aus nur einem geraden Austragskegelstumpf bestehen, dessen große senkrecht zur Welle stehende Grundfläche 15 bzw. 16 im wesentlichen mit der einen Trommelstirnfläche 7 zusammen­fällt, während die kleine Grundfläche 18 bzw. 19, die die Welle 1 dicht umfaßt, im wesentlichen mit der anderen Trommel­stirnfläche 7 zusammenfällt. Durch eine derartige oder ähnli­che Ausbildung der Schmutzaustragsvorrichtung ist es möglich, den Schmutzaustrag an nur einer Seite der Bandtrommel vorzuneh­men und somit die Förderbandanlage insgesamt an örtliche Gege­benheiten o.ä. anzupassen.The invention is not restricted to the exemplary embodiment listed. In particular, the dirt discharge device could consist of only one straight discharge truncated cone, the large base surface 15 of which is perpendicular to the shaft or 16 essentially coincides with the one drum end face 7, while the small base area 18 or 19, which tightly encompasses the shaft 1, essentially coincides with the other drum end face 7. Through such or a similar design of the dirt discharge device, it is possible to carry out the dirt discharge on only one side of the belt drum and thus the conveyor belt system as a whole to local conditions or the like. adapt.

Claims (8)

1. Selbstreinigende Bandtrommel, insbesondere für Spanntrom­meln von Becherwerken, bei der ein ein- oder mehrteiliges Stützelement zwischen einer Welle und einem Trommelmantel angeordnet ist, dadurch gekennzeichnet, daß der Trommelman­tel (3) mit Schmutzdurchtrittsöffnungen (10) versehen ist und daß zwischen dem Trommelmantel (3) und der Welle (1) eine die Welle dicht umfassende Schmutzaustragsvorrichtung (2) angeordnet ist, die von dem Trommelmantel (3) wenig­stens in Richtung einer Trommelstirnfläche (7) zur Welle (1) geneigt verläuft.1. Self-cleaning belt drum, in particular for tensioning drums of bucket elevators, in which a one-part or multi-part support element is arranged between a shaft and a drum casing, characterized in that the drum casing (3) is provided with dirt passage openings (10) and that between the drum casing ( 3) and the shaft (1) a dirt discharge device (2) tightly surrounding the shaft is arranged, which extends from the drum jacket (3) at least in the direction of a drum end face (7) to the shaft (1). 2. Selbstreinigende Bandtrommel nach Anspruch 1, dadurch ge­kennzeichnet, daß die Schmutzaustragsvorrichtung (2) rotati­onssymmetrisch ausgebildet ist.2. Self-cleaning belt drum according to claim 1, characterized in that the dirt discharge device (2) is rotationally symmetrical. 3. Selbstreinigende Bandtrommel nach Anspruch 1 oder 2, da­durch gekennzeichnet, daß die Schmutzaustragsvorrichtung (2) einen Austragsdoppelkegel bildet, bei dem die großen senkrecht zur Welle stehenden Grundflächen (15, 16) der spiegelbildlich gegeneinander versetzten geraden Kreiskegel­stümpfe (13, 14) im wesentlichen mit der Trommelmittelebene (17) zusammenfallen.3. Self-cleaning belt drum according to claim 1 or 2, characterized in that the dirt discharge device (2) forms a discharge double cone in which the large base surfaces perpendicular to the shaft (15, 16) of the mirror-image staggered straight circular truncated cones (13, 14) substantially coincide with the drum center plane (17). 4. Selbstreinigende Bandtrommel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Schmutzaustragsvorrich­tung (2) zwischen dem Trommelmantel (3) und der Welle (1) als Stützelement ausgebildet ist.4. Self-cleaning belt drum according to one of claims 1 to 3, characterized in that the dirt discharge device (2) between the drum shell (3) and the shaft (1) is designed as a support element. 5. Selbstreinigende Bandtrommel nach Anspruch 4, dadurch ge­kennzeichnet, daß die Schmutzaustragsvorrichtung (2) mit radial verlaufenden, Versteifungsbleche (6) aufnehmenden Schlitzen (5) versehen ist.5. Self-cleaning belt drum according to claim 4, characterized in that the dirt discharge device (2) with radially extending stiffening plates (6) receiving slots (5) is provided. 6. Selbstreinigende Bandtrommel nach Anspruch 5, dadurch ge­kennzeichnet, daß die Versteifungsbleche (6) mit der Schmutzaustragsvorrichtung (2) verschweißt sind.6. Self-cleaning belt drum according to claim 5, characterized in that the stiffening plates (6) are welded to the dirt discharge device (2). 7. Selbstreinigende Bandtrommel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Stützelemente mit an den Trommelstirnflächen (7) angeordneten Stützringen (9) ver­schweißt sind.7. Self-cleaning belt drum according to one of claims 1 to 6, characterized in that the support elements with the drum end faces (7) arranged support rings (9) are welded. 8. Selbstreinigende Bandtrommel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Trommelmantel (3) durch in Abstand zueinander angeordnete Stäbe (12) gebildet ist.8. Self-cleaning tape drum according to one of claims 1 to 7, characterized in that the drum jacket (3) is formed by spaced rods (12).
EP88103109A 1987-05-06 1988-03-02 Self-cleaning band drum Withdrawn EP0290728A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3715045 1987-05-06
DE3715045 1987-05-06

Publications (1)

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EP0290728A1 true EP0290728A1 (en) 1988-11-17

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014007368A1 (en) 2014-05-21 2015-11-26 Noltewerk Gmbh & Co. Kg Self-cleaning tape drum
EP3067299A1 (en) 2015-03-13 2016-09-14 noltewerk GmbH & Co KG Self-cleaning tape drum
CN113460606A (en) * 2021-06-30 2021-10-01 河北华丰能源科技发展有限公司 Discharging roller
CN113716292A (en) * 2021-09-07 2021-11-30 华能秦煤瑞金发电有限责任公司 Belt weighing type feeder belt sticky coal cleaning device
CN114287418A (en) * 2021-08-30 2022-04-08 石家庄聚力特机械有限公司 Novel elevator is from driving wheel and mounting structure thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2087813A (en) * 1935-03-02 1937-07-20 American Sheet & Tin Plate Material handling device
DE2639873A1 (en) * 1975-09-08 1977-03-10 Reliance Electric Co SELF-CLEANING PULLEY FOR CONVEYOR BELTS
GB2069443A (en) * 1980-02-16 1981-08-26 Hauni Werke Koerber & Co Kg A drum member for conveyor belts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2087813A (en) * 1935-03-02 1937-07-20 American Sheet & Tin Plate Material handling device
DE2639873A1 (en) * 1975-09-08 1977-03-10 Reliance Electric Co SELF-CLEANING PULLEY FOR CONVEYOR BELTS
GB2069443A (en) * 1980-02-16 1981-08-26 Hauni Werke Koerber & Co Kg A drum member for conveyor belts

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014007368A1 (en) 2014-05-21 2015-11-26 Noltewerk Gmbh & Co. Kg Self-cleaning tape drum
EP3067299A1 (en) 2015-03-13 2016-09-14 noltewerk GmbH & Co KG Self-cleaning tape drum
DE102015003155A1 (en) 2015-03-13 2016-09-15 Noltewerk Gmbh & Co. Kg Self-cleaning tape drum
CN113460606A (en) * 2021-06-30 2021-10-01 河北华丰能源科技发展有限公司 Discharging roller
CN114287418A (en) * 2021-08-30 2022-04-08 石家庄聚力特机械有限公司 Novel elevator is from driving wheel and mounting structure thereof
CN113716292A (en) * 2021-09-07 2021-11-30 华能秦煤瑞金发电有限责任公司 Belt weighing type feeder belt sticky coal cleaning device
CN113716292B (en) * 2021-09-07 2022-12-27 华能秦煤瑞金发电有限责任公司 Belt weighing type feeder belt sticky coal cleaning device

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